These polyurethane bushings replace the front and rear oem differential bushings on the 2003-2007 Cadillac CTS and CTS-V.

Revshift bushing lube included.

Lifetime warranty

Hardness
80A Street (Black): Slightly stiffer and stronger than OEM rubber. No increase in NVH. Great choice as an upgraded stock replacement (OEM+).
95A Track (Green): Significantly stiffer and stronger than OEM rubber. Noticeable increase in NVH. Excellent for enthusiastically driven street and track cars.
(NVH = noise, vibration, harmonics)
Learn more about choosing polyurethane here:https://revshift.com/pages/polyurethane

Please specify the hardness